April 25: Đuro Đaković, a prominent Trade unions' activist in Yugoslavia and the First secretary of the Communist Party of Yugoslavia, was murdered by Yugoslav policemen at the Yugoslav-Austrian boundary in the present-day Slovenia, after four days of torturing and questioning in Zagreb police station.

October 3: The Kingdom of Serbs, Croats and Slovenes was renamed to the Kingdom of Yugoslavia. The state was also divided into new administrative divisions called banovine (singular banovina).